How much is 8 Antrim Gardens, Seaham, County Durham, SR7 7BN worth?
Estimated value — July 2026
£358,000
Likely range £311,000 – £429,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale August 2018
70%
confidence
High
Typically within 8% of the sale price
Property details
Detached house
Antrim Gardens · Seaham · SR7 7BN
Energy performance
Mains Gas (Not Community) · EPC 8632-6027-9730-6638-5906 · inspected March 2012
Address
- District
- County Durham
- County
- County Durham
Value over time
- Modelled value
- Recorded sale
- Likely range (80%)
- Today's estimate
Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. A sale we treat with caution is shown but the line doesn't pass through it. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.
View as a table
| Year | Modelled value | Likely range | Recorded sale |
|---|---|---|---|
| 2018 | £251,120 | £215,099 – £327,130 | £250,000 |
| 2019 | £249,618 | £217,926 – £296,605 | — |
| 2020 | £271,296 | £236,012 – £316,795 | — |
| 2021 | £297,281 | £257,408 – £348,089 | — |
| 2022 | £328,158 | £283,289 – £386,520 | — |
| 2023 | £321,423 | £277,211 – £381,136 | — |
| 2024 | £341,012 | £294,465 – £406,138 | — |
| 2025 | £356,960 | £309,224 – £426,633 | — |
| 2026 | £358,000 | £311,000 – £429,000 | — |
Sale history
Mortgage calculator
£1,921
Estimated monthly repayment
£322,200
Loan amount
£369,506
Total interest
£691,706
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
About this property
8 Antrim Gardens, Seaham, County Durham, SR7 7BN is a detached house on Antrim Gardens in Seaham, County Durham. Stede's estimated value for July 2026 is £358,000. Four in five similar homes sold within their likely range when tested; for this property that range is £311,000 to £429,000. It combines its own last sale brought up to date with the House Price Index (75%) and the recent price per m² in the same postcode sector applied to its floor area (25%). The confidence score is 70 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.
It last sold in August 2018 for £250,000. The current estimate is 43% higher than that price. The current owner has held it for about 8 years.
Its EPC energy-efficiency rating is band D (61 out of 100), with a potential of band C (70) after the recommended improvements. The certificate records a total floor area of 129 m² (1,389 sq ft). It was lodged in March 2012.
The modelled value is up 4% over the past year and up 21% over the past five years.
Among 4 nearby properties Stede tracks in the SR7 area, estimated values run from £265,000 to £408,000. This detached house's £358,000 sits around the middle of that range.
Common questions
How much is 8 Antrim Gardens, Seaham, County Durham, SR7 7BN worth?
Stede estimates 8 Antrim Gardens, Seaham, County Durham, SR7 7BN is worth £358,000 as of July 2026, within a likely range of £311,000 to £429,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.
When did 8 Antrim Gardens, Seaham, County Durham, SR7 7BN last sell?
It last sold in August 2018 for £250,000.
What type of property is 8 Antrim Gardens, Seaham, County Durham, SR7 7BN?
It is recorded as a Detached house on Antrim Gardens in the SR7 postcode area.
What is the EPC rating of 8 Antrim Gardens, Seaham, County Durham, SR7 7BN?
8 Antrim Gardens, Seaham, County Durham, SR7 7BN has an EPC energy-efficiency rating of band D (61 out of 100). Its potential rating after the recommended improvements is band C (70). The certificate records a floor area of 129 m² (1,389 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 70 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 8% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
It combines its own last sale brought up to date with the House Price Index (75%) and the recent price per m² in the same postcode sector applied to its floor area (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.
How we got this figure
We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 62,186 real sales of similar homes.
- Its sale in August 2018, brought up to today with the House Price Index£359,46175%
- Recent price per m² in the same postcode sector, for its 129 m²£353,23925%
Estimate £358,000, likely £311,000 – £429,000
Read the full methodology and data sources →